Home / 630,090,220.50-869,501,710.78-347,826,598.76

Finding the Fourth Proportional to 630,090,220.50, 869,501,710.78 and 347,826,598.76

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Solution

The fourth proportional to 630,090,220.50, 869,501,710.78 and 347,826,598.76 is: 479,988,123.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,090,220.50 : 869,501,710.78 = 347,826,598.76 : x
  2. Step 2: Convert to fraction form
    630,090,220.50/869,501,710.78 = 347,826,598.76/x
  3. Step 3: Cross multiply
    630,090,220.50x = 869,501,710.78 × 347,826,598.76
  4. Step 4: Simplify right side
    630,090,220.50x = 302,435,822,676,608,640
  5. Step 5: Solve for x
    x = 302,435,822,676,608,640/630,090,220.50
  6. Step 6: Final answer
    x = 479,988,123.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.